section 6 : for the following finetion of f , defined by 1= f (x), whose the correct option : for = 16 * 2 + 3 x 1/ 3 - 12 21 /4 a . P x + q x 1 / 3 - 8 x 1/4 6 32 * + 7- 172 13- 18 3/4 C . 32 x + 3x - 2/3 - 17 * - 3/4 52 . Lii) For y = (x 3 - 1)4, dud = G . 12 x 2 (7 3 - 1 13 b. 12+2 (+3- 7 C . 4 ( + 3 - 1 ) For u = + 2 + 7 x - 2 , and= 1. * 2 - 4 x - 1 ( + - 2)2 b . [ x - 2 ) 2 + 2 - 4 , -1 L . ( X - 2) ( * 2 -4 x - 1) d. none SH. For m = f( x/ = x 2 + 1 x 2. Al) it 4